Give the major products that are formed by heating each ofthe following ethers with HI.
i) `CH_(3)-CH_(2)-overset(CH_(3))overset(|)CH-CH_(2)-O-CH_(2)-CH_(3)`
ii) `CH_(3)-CH_(2)-CH_(2)-O-underset(CH_(3))underset(|)overset(CH_(3))overset(|)C-CH_(2)-CH_(3)`
iii)

Explanation

i) `CH_(3)-CH_(2)-underset(CH_(3))underset(|)CH-CH_(2)OH+CH_(3)CH_(2)I`
ii) `CH_(3)CH_(2)H_(2)OH+CH_(3)CH_(2)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)C-I`
iii)